Labels:text | diagram | plan | schematic OCR: (a) 2 3 Display APU Umbilical Controller Crew Display Stan APU Paylot: Status. Release Select Deploy IMU Umbilical Start MU (b) 2 3 4 Display & APU Umbilical Stan APU Controller Crew Display Payload Status Release Select Deploy IMU Umbilical Stad iMU Figure 8: Concurrent example of an actor-event diagram using (a) a plus sign; and (b) an ampersand.
